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Re: Topband: FT-8 performance

To: topband@contesting.com
Subject: Re: Topband: FT-8 performance
From: K4SAV <RadioXX@charter.net>
Date: Thu, 1 Aug 2019 14:03:40 -0500
List-post: <mailto:topband@contesting.com>
W0BTU directed a question to me about JT-9. I have never tested JT-9 so I don't have any information to supply on that subject.

The S/N number supplied by FT-8 was only a curiosity to me because I could see a huge disparity between what was being reported versus what I was observing on my receiver. The reported S/N seems to be about useless, but the really important question was what is the lowest signal to noise FT-8 can decode,(real S/N, not the reported number). That was the main question I wanted to answer with testing.

A little off subject but people also need to stop using S/N numbers as a measure of antenna gain.

Jerry, K4SAV
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